Pass sbtClassifiers around

Mostly for printed messages, and for missingOk in a subsequent commit

modules/lm-coursier/src/main/scala/lmcoursier/CoursierConfiguration.scala

@@ -52,6 +52,8 @@ import scala.concurrent.duration.Duration
   cachePolicies: Vector[CachePolicy] = CacheDefaults.cachePolicies.to[Vector].map(FromCoursier.cachePolicy),
   @since
   missingOk: Boolean = false,
+  @since
+  sbtClassifiers: Boolean = false
 ) {
 
   def withLog(log: Logger): CoursierConfiguration =

modules/lm-coursier/src/main/scala/lmcoursier/CoursierDependencyResolution.scala

@@ -152,7 +152,7 @@ class CoursierDependencyResolution(conf: CoursierConfiguration) extends Dependen
       parentProjectCache = Map.empty,
       interProjectDependencies = interProjectDependencies,
       internalRepositories = Seq(interProjectRepo, extraProjectsRepo),
-      sbtClassifiers = false,
+      sbtClassifiers = conf.sbtClassifiers,
       projectName = projectName,
       loggerOpt = loggerOpt,
       cache = cache0,
@@ -174,7 +174,7 @@ class CoursierDependencyResolution(conf: CoursierConfiguration) extends Dependen
         includeSignatures = false,
         loggerOpt = loggerOpt,
         projectName = projectName,
-        sbtClassifiers = false,
+        sbtClassifiers = conf.sbtClassifiers,
         cache = cache0,
         parallel = conf.parallelDownloads,
         classpathOrder = conf.classpathOrder,

modules/sbt-lm-coursier/src/main/scala/coursier/sbtlmcoursier/LmCoursierPlugin.scala

@@ -161,6 +161,7 @@ object LmCoursierPlugin extends AutoPlugin {
           .withStrict(strict)
           .withForceVersions(userForceVersions.toVector)
           .withMissingOk(updateConfig.missingOk)
+          .withSbtClassifiers(sbtClassifiers)
       }
     }
   private def mkDependencyResolution: Def.Initialize[Task[DependencyResolution]] =